79478164 has 24 divisors (see below), whose sum is σ = 142407720. Its totient is φ = 38797824.

The previous prime is 79478153. The next prime is 79478167. The reversal of 79478164 is 46187497.

It can be written as a sum of positive squares in 4 ways, for example, as 30338064 + 49140100 = 5508^2 + 7010^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79478167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48592 + ... + 50200.

It is an arithmetic number, because the mean of its divisors is an integer number (5933655).

Almost surely, 2^79478164 is an apocalyptic number.

It is an amenable number.

79478164 is a deficient number, since it is larger than the sum of its proper divisors (62929556).

79478164 is a wasteful number, since it uses less digits than its factorization.

79478164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899 (or 1897 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 79478164 is about 8915.0526638938. The cubic root of 79478164 is about 429.9480088573.

The spelling of 79478164 in words is "seventy-nine million, four hundred seventy-eight thousand, one hundred sixty-four".